Hydraulic vibration-free couplers and in damping assemblies equi

Details Hydraulic vibration-free couplers and in damping assemblies equi Hydraulic vibration-free couplers and in damping assemblies equi

1991-09-30

1992-11-24

Oberleitner, Robert J.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

26714012, F16M 100

Patent

active

051656680

ABSTRACT:
A hydraulic vibration-free coupler comprises an inner tubular strength member (1), an outer tubular strength member (2) and an intermediate body (3) made of elastomer defining fluid-tight chambers connected to each other by restricted passages (9). Natural vibrations are actively attenuated by artificially imposing appropriate vibrations to a magnetic ring (7) which moves freely in all possible transverse directions, but not axially, by excitation of electrical coils (5) circumferentially distributed around the ring on the inside of the outer tubular strength member (2). This is done along one or both of two separate diametral directions E and F.

REFERENCES:
patent: 4650170 (1987-03-01), Fukushima
patent: 4678203 (1987-07-01), Rohner et al.
patent: 4793599 (1988-12-01), Ishioka
patent: 4793600 (1988-12-01), Kojima
patent: 5060919 (1991-10-01), Takano et al.
patent: 5116029 (1992-05-01), Gennesseaux

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